C09J151/00

Water-based adhesive for the bonding of cellulose based substrates
10829673 · 2020-11-10 · ·

Water-based adhesive composition comprising: from 30% to 60% by weight (expressed as dry content) of a chloroprene modified acrylic emulsion (A); and from 0.05% to 0.45% by weight (expressed as dry content) of a water soluble polymer (B) selected among xanthan gum and konjac gum; said composition being obtainable by a process (P) comprising a first step (i) of dissolving into water polymer (B) in the form of a powdered solid. Use of said composition, for the bonding of at least one cellulose based substrate.

Water-based adhesive for the bonding of cellulose based substrates
10829673 · 2020-11-10 · ·

Water-based adhesive composition comprising: from 30% to 60% by weight (expressed as dry content) of a chloroprene modified acrylic emulsion (A); and from 0.05% to 0.45% by weight (expressed as dry content) of a water soluble polymer (B) selected among xanthan gum and konjac gum; said composition being obtainable by a process (P) comprising a first step (i) of dissolving into water polymer (B) in the form of a powdered solid. Use of said composition, for the bonding of at least one cellulose based substrate.

CURABLE RESIN COMPOSITION, FUEL CELL USING SAME, AND SEALING METHOD USING SAME
20200350602 · 2020-11-05 ·

The present invention aims to provide a curable resin composition from which a cured product having high tensile strength and high extensibility can be obtained. A resin composition includes the following ingredients (A) to (C): ingredient (A): a polymer which has one or more (meth)acryloyl groups and has a polyisobutylene skeleton containing a [CH.sub.2C(CH.sub.3).sub.2] unit; ingredient (B): a radical polymerization initiator; and ingredient (C): a monomer (c1) which has an alicyclic structure containing a (meth)acryloyl group and a substituent of a hydrocarbon group having 2 to 20 carbon atoms or a monomer (c2) which has a (meth)acryloyl group and a dicyclopentenyl group or adamantyl group.

Adhesive formulations for fabric/POE adhesion

Embodiments of this invention relate to a composition comprising of (A) an anhydride and/or carboxylic acid functionalized, chlorinated olefin-based polymer and/or (b) a styrene-based polymer and/or a functionalized styrene-based polymer, (B) a polyamide wax slurry, and (C) organic solvent, and which composition can be used as an adhesive to bond a fabric to a polyolefin elastomer (POE) thermoplastic sheet, articles made from the composition, and methods of producing the composition and articles.

Toughened Cyanoacrylate Compositions
20200239618 · 2020-07-30 ·

Curable cyanoacrylate compositions are reported that comprise cyanoacrylate and a thermoplastic polyurethane (TPU) components. Such compositions are toughened cyanoacrylate compositions exhibiting long term viscosity stability when stored for prolonged periods at room temperature (25 C.). TPU components are reported having structural units in which at least one of the structural units has the formula OR.sup.1OArOR.sup.2O, wherein Ar is a C.sub.6-C.sub.20 aromatic group with at least one aromatic ring; R.sup.1 is a C.sub.2-C.sub.10 alkyl group; and R.sup.2 is a C.sub.2-C.sub.10 alkyl group. The thermoplastic polyurethane (TPU) component may be present in the curable cyanoacrylate composition from about 1 wt % to about 40 wt %, for example from about 2 wt % to about 30 wt %, such from about 3 wt % to about 20 wt %, suitably from about 5 wt % to about 10 wt %, based on the total weight of the composition.

HEAT-SEALABLE STRUCTURE FOR ALUMINUM DISPOSABLE BEVERAGE-BREWING CONTAINERS
20200239748 · 2020-07-30 ·

The present invention relates to a heat-sealable structure comprising an aluminum foil and a heat-seal lacquer, said structure exhibiting a seal strength, according to ASTM F2824, of more than 23 N/15 mm when heat-sealed to another heat-sealable structure comprising an aluminum foil and the same heat-seal lacquer, the heat-seal lacquers of both structures contacting each other for heat sealing, said seal lacquer comprising a copolymer blend comprising: from 30 to 80% by weight, preferably 40 to 70% by weight, more preferably from 50 to 60% by weight of a copolymer A based on (meth)acrylate ester (co)polymers, olefin (co)polymers and block or grafted copolymers comprising (met)acrylate ester sequences and olefin sequences, from 20 to 70% by weight, preferably 30 to 60% by weight, more preferably from 40 to 50% by weight of a copolymer (B) based on vinyl halides, vinyl esters of carboxylic acids and ethylenically unsaturated (poly)carboxylic acids.

SOLID CYANOACRYLATE COMPOSITIONS

A cyanoacrylate composition with thermoplastic polyurethane, formulated as a non-flowable soft solid or semi solid mass, for example in stick form, is reported.

ADHESIVE COMPOSITION AND METHODS OF FORMING THE SAME
20200208025 · 2020-07-02 ·

An adhesive composition may include at least about 2 wt. % and not greater than 49 wt. % of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition, at least about 51 wt. % of a (meth)acrylic based polymeric component B for a total weight of the adhesive composition, and at least about 0.1 wt. % and not greater than about 30 wt. % of a tackifier component for a total weight of the adhesive composition. The (meth)acrylic based polymeric component A may have a glass transition temperature (Tg) of at least about 40 C. The (meth)acrylic based polymeric component B may have a glass transition temperature (Tg) of not greater than about 20 C. Further, the (meth)acrylic based polymeric component B may be acid-free.

ADHESIVE COMPOSITION AND METHODS OF FORMING THE SAME

An adhesive may include an adhesive structure and an adhesive composition. The adhesive structure may include a graft copolymer. The adhesive composition may include at least about 1 wt. % and not greater than 40 wt. % of a macromonomer component for a total weight of the adhesive composition, at least about 50 wt. % and not greater than about 98 wt. % of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition, and at least about 0.1 wt. % and not greater than about 30 wt. % of a tackifier component for a total weight of the adhesive composition. The macromonomer component may have a weight-average molecular weight of at least 1000 g/mol and a glass transition temperature (Tg) of at least about 40 C. The (meth)acrylic based polymeric component A may have a glass transition temperature (Tg) of not greater than about 20 C.

HEAT-SEALABLE STRUCTURE FOR ALUMINUM DISPOSABLE BEVERAGE-BREWING CONTAINERS
20200199420 · 2020-06-25 ·

The present invention relates to a heat-sealable structure comprising an aluminum foil and a heat-seal lacquer, said structure exhibiting a seal strength, according to ASTM F2824, of more than 23 N/15 mm when heat-sealed to another heat-sealable structure comprising an aluminum foil and the same heat-seal lacquer, the heat-seal lacquers of both structures contacting each other for heat sealing, said seal lacquer comprising a copolymer blend comprising: from 30 to 80% by weight, preferably 40 to 70% by weight, more preferably from 50 to 60% by weight of a copolymer A based on (meth)acrylate ester (co)polymers, olefin (co)polymers and block or grafted copolymers comprising (met)acrylate ester sequences and olefin sequences, from 20 to 70% by weight, preferably 30 to 60% by weight, more preferably from 40 to 50% by weight of a copolymer (B) based on vinyl halides, vinyl esters of carboxylic acids and ethylenically unsaturated (poly)carboxylic acids.